545137979 has 2 divisors, whose sum is σ = 545137980. Its totient is φ = 545137978.

The previous prime is 545137951. The next prime is 545137981. The reversal of 545137979 is 979731545.

545137979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545137979 is a prime.

It is a super-2 number, since 2×545137979² = 594350832296408882, which contains 22 as substring.

Together with 545137981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545139979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272568989 + 272568990.

It is an arithmetic number, because the mean of its divisors is an integer number (272568990).

Almost surely, 2^545137979 is an apocalyptic number.

545137979 is a deficient number, since it is larger than the sum of its proper divisors (1).

545137979 is an equidigital number, since it uses as much as digits as its factorization.

545137979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 50.

The square root of 545137979 is about 23348.1900583321. The cubic root of 545137979 is about 816.8998442494.

The spelling of 545137979 in words is "five hundred forty-five million, one hundred thirty-seven thousand, nine hundred seventy-nine".